package com.lzj.demo.collection.string;

import java.util.Scanner;

public class StringTest03 {


        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
            System.out.println("请输入字符串");
            String Line = sc.nextLine();
            int bigCount = 0;
            int smallCount = 0;
            int numberCount = 0;
            for (int i = 0; i < Line.length(); i++) {
                char ch = Line.charAt(i);

                if (ch >= 'A' && ch <= 'Z') {
                    bigCount++;
                } else if (ch >= 'a' && ch <= 'z') {
                    smallCount++;
                } else if (ch >= '0' && ch <= '9') {
                    numberCount++;
                }
            }
                System.out.println("大写字母有"+bigCount+"个");
                System.out.println("小写字母有"+smallCount+"个");
                System.out.println("数字有"+numberCount+"个");
            }

    }

